Pharmacokinetic Studies in Infants Using Minimal-Risk Study Designs

ISSN: 2212-3938 (Online)
ISSN: 1574-8847 (Print)

Volume 12, 4 Issues, 2017

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Current Clinical Pharmacology

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Arduino A. Mangoni
Flinders University and Flinders Medical Centre
Adelaide, SA

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Pharmacokinetic Studies in Infants Using Minimal-Risk Study Designs

Current Clinical Pharmacology, 9(4): 350-358.

Author(s): Julie Autmizguine, Daniel K. Benjamin Jr., P. Brian Smith, Mario Sampson, Philippe Ovetchkine, Michael Cohen-Wolkowiez and Kevin M Watt.

Affiliation: Department of Pediatrics, Duke Clinical Research Institute, Duke University Medical Center, P.O. Box 3046, Durham, NC 27710, USA.


Infants are therapeutic orphans. Many drugs used in infants are used “off-label”, increasing the risk of drug toxicity and suboptimal efficacy in this vulnerable population. This knowledge gap in clinical pharmacology is partly attributed to challenges associated with conducting clinical trials in infants. Consequently, there is a need for novel and efficient study designs more suited to this population. Available literature describing the use of minimal-risk approaches to characterize the pharmacokinetics (PK) of drugs in infants was critically reviewed. Population PK approach with sparse sampling was found to be well established. Other, more recent alternatives, like dried blood spots sampling, opportunistic design, and the use of non-blood matrices are promising strategies with an increasing number of applications in infants. Physiologically based pharmacokinetic modeling provides valuable insight in drug disposition but still needs more prospective validation. Increasing experience with these methods provides understanding of their strengths and limitations and will help improve the design of future PK studies in infants.


Clinical trial, dried blood spots, infants, pharmacokinetics, population pharmacokinetics, scavenged sampling, sparse sampling, ultra–low-volume drug assays.

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Article Details

Volume: 9
Issue Number: 4
First Page: 350
Last Page: 358
Page Count: 9
DOI: 10.2174/1574884709666140520153308
Price: $58

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